#include <iostream>
#include <string>
#include <string.h>

using std::cout;
using std::endl;
using std::string;

class Solution
{
public:
    bool buddyStrings(string s, string goal)
    {
    }
};

void test1()
{
    Solution sol;
    string s = "abcd";
    string goal = "acbd";
    cout << std::boolalpha << sol.buddyStrings(s, goal) << endl;
}

int main(int args, char *argv[])
{
    test1();
    return 0;
}